Heater Door Actuator

In this video i explain how to replace the a c blend door actuator.

Heater door actuator.

It is controlled by a blend door actuator which is a small electric motor. A new door actuator costs less than 100. An actuator moves the blend door automatically when the temperature control is moved. You can usually diagnose and fix the problem yourself in about an hour.

Also called hvac actuators these small electric motors control the flow and blend of hot and cold air to the passenger areas by opening and closing the vent doors that let the air through. This actuator then moves temperature and air direction doors inside the heater plenum box which are designed to control mode settings such as temperature floor mid vent defrost and fresh air or re circulation modes. As autos had more and more labor saving devices added as standard equipment heater and air conditioning controls could be operated with less effort when automakers started installing blend door actuators. They also control hot and cold settings for right and left passenger compartments.

And what causes them to mess up. If your car or truck passengers don t seem to be getting all the benefits of your vehicle s heating or a c system you could have a non working a c heater blend door actuator. Find the procedure in a shop manual at auto parts stores for about 20. A premium hvac heater blend air door actuator replacement for dodge durango 2001 2009 stratus viper ram 1500 2500 3500 aspen sebring srt 3 8 out of 5 stars 11 18 99 18.

When you turn the knob on your dash to the desired temperature the actuator moves the blend door to achieve the proper mix. Hope y all enjoy this video and let me know what y all t.